MINISMD075-2

Series:	PolySwitch®
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Max:	--
Current - Hold (Ih) (Max):	750mA
Mounting Type:	Surface Mount
Package / Case:	1812 (4532 Metric), Concave
Size / Dimension:	0.179" L x 0.128" W (4.55mm x 3.24mm)
Height - Seated (Max):	--
Thickness (Max):	0.024" (0.62mm)
Lead Spacing:	--

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Introduction
PTC (Positive Temperature Coefficient) Resettable Fuses are electro-thermal devices used to protect sensitive equipment. They are capable of automatically recovering after tripping, thus providing superior protection to the circuit. MINISMD075-2 is one such PTC Resettable Fuse. In this article, the application fields and working principles of MINISMD075-2 will be discussed in detail.

Application Fields
MINISMD075-2 can be used in a variety of application fields such as computers, automotive electrical equipment, communications equipment, gaming systems and consumer electronics. It is suitable for applications where a low voltage is required, and where a rapid response and reset capability are essential. The MINISMD075-2 also has the capability of withstanding high current, high temperature, and high humidity conditions which make it ideal for a wide range of applications and systems.

Working Principle
The MINISMD075-2 works on the principle of electro-thermal protection. When the fuse is exposed to an overcurrent, the power is not immediately cut off but instead is dissipated in the form of heat within the PTC resistor. This heat increases the temperature of the resistor leading to an increase in its resistance, effectively limiting the current. When the temperature of the resistor reaches a certain level, the device trips, cutting off the power. When the temperature of the device returns to its original state, the current resumes and the device resets itself.

Conclusion
The MINISMD075-2 is a PTC Resettable Fuse that is designed to protect sensitive electronic equipment from excessive current. It is suitable for applications requiring a rapid response and reset capability, and has the capability of withstanding high current, high temperature, and high humidity conditions. Its working principle is based on the electro-thermal protection, where the power is dissipated as heat and the device trips and resets when the temperature reaches a certain level.

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